| 摘要 |
PURPOSE:To greatly enhance thermal stability while substantially maintaining the change of optical characteristics peculiar to an Sb-Te binary system, by providing a recording layer comprising at least Sb, Te and Ge in a specified composition range on a base. CONSTITUTION:The recording layer 2 of the information-recording medium comprises at least Sb, Te and Ge, and has a composition of general formula (SbxTe1-x)yGe1-y, wherein x is 0.05-0.7, preferably, 0.1-0.6, and y is 0.4-0.8, preferably, 0.5-0.7. The recording layer 2 is provided by vapor deposition such as vacuum deposition and sputtering. The composition is preferably controlled by ternary co-deposition in the case of vacuum deposition or by flash vapor deposition of a material to be vapor-deposited having a specified composition. |
